PN532 NFC/RFID Controller Shield for Arduino
- PN532 chip-set
- Operating Voltage : 3.3V ~ 5v
- Support I2C, SPI
- I2C: 3.3V ~ 24V TTL
- SPI: 3.3V TTL with 100-ohm resistors in series
- Plug and play, Arduino compatible
- Built-in PCB Antenna
- Communication distance:10cm
- Easy to change mode
- NFC/RFID PN532 shield including a tuned 13.56MHz stripline antenna
- 36-pin 0.1" header for attaching the shield to an Arduino.
- Compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
16×2 (1602) LCD Keypad Shield
- Operating Voltage:5V
- 5 Push buttons.
- RST button to reset Arduino program.
- Integrate a potentiometer for adjusting the backlight.
- Expanded available I/O pins.
- Blue light with white characters.
- Uses 4 Bit Arduino LCD Library
- Screen contrast adjustment
- Arduino Reset button
- The keypad consists of 6 keys select, up, right, down, left and reset.
- To save the digital IO pins, the keypad interface only uses one ADC channel.
- The key value is read out through a 5 stage voltage divider.
L293D Motor Driver Shield
- L293D motor driver chip & 74HC595 shift register
- Four H-bridges
- Terminal blocks and jumper to connect external power, for separate logic/motor supplies
- Up to 4 bi-directional DC motors with individual 8-bit speed selection
- Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.
- 2 connections for 5V ‘hobby’ servos connected to the Arduino’s high-resolution dedicated timer
- 4 H-Bridges: L293D chipset provides 0.6A per bridge (1.2A peak) with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 25VDC.
- Pull-down resistors keep motors disabled during power-up
- Big terminal block connectors to easily hook up wires (18-26AWG) and power
- Arduino reset button brought up top
- Tested compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
- PCB Size: 69 x 53 mm
Protosheild For Arduino
- Standard 0.1"x0.1" prototyping grid with big pads
- Comes with Stacking headers and plain header, choose whichever you want when soldering together
- IC pattern for adding DIP ICs up to 20 pins
- Power rails down the middle and sides
- Reset button and an extra general use button
- 2 3mm general use LEDs, red and green, as well as 2 matching resistors
- A pass-thru ICSP stacking header so you can stack any kind of shield on top, and/or use an AVR programmer
- A surface-mount chip area for up to 14 SOIC size parts
- Compatible with tiny breadboards
- Every pin is brought out
- Gold plated pads
- 2 x 0.1uF capacitors on either side for extra power stability
37 IN 1 Sensor Kit For Arduino
- For beginners who are interested in Arduino
- A complete set of Arduino’s most common and useful electronic components
- Infrared sensor receiving module
- Laser sensor module
- Temperature and humidity sensor module
- Infrared sensor module
- 5v relay module
- Obstacle avoidance sensor module. For beginners who are interested in Arduino
- A complete set of Arduino’s most common and useful electronic components
- Packaging Type: Box
- Material: Circuit board
- Dimensions: 98Â x 0.59 x 0.24 inch
- Weight: 428 g
4*4 MATRIX KEYPAD
The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm